Question

As soon as he had gone, she hailed a passing railway coolie
(change into a negative sentence)

Answer 1

HEYA MATE, HERE'S YOUR ANSWER. HOPE IT HELPS YOU. PLZ MARK IT AS  BRAINLIEST!!

She did not hailed a passing railway coolie, when he had gone.

Answer 2

To turn the given sentence into a negative one, the correct answer will be : She did not hail a passing railway coolie until he was gone.

Here, despite turning a positive sentence into a negative one, the meaning of the sentence does not change.

To turn this sentence into a negative one, the structure had to be changed with the use of 'did not' and making some other changes accordingly.